When it comes to describing a group or combination of powerful items, there are numerous synonyms available. "Power array" could be replaced with "potent arsenal," emphasizing the strength of the collection. Alternatively, "formidable lineup" could be used, conveying both strength and intimidation. "Mighty assemblage" highlights the impressive nature of the group, while "commanding assortment" suggests control and authority. "Dominant kit" adds a slightly more casual tone to the phrase, while "forceful kit and caboodle" emphasizes the sheer force of the objects in question. No matter which synonym is chosen, each one denotes a sense of strength and dominance.